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Finding the Fourth Proportional to 539,232.40, 808,848.60 and 455,251.60

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Solution

The fourth proportional to 539,232.40, 808,848.60 and 455,251.60 is: 682,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,232.40 : 808,848.60 = 455,251.60 : x
  2. Step 2: Convert to fraction form
    539,232.40/808,848.60 = 455,251.60/x
  3. Step 3: Cross multiply
    539,232.40x = 808,848.60 × 455,251.60
  4. Step 4: Simplify right side
    539,232.40x = 368,229,619,307.76
  5. Step 5: Solve for x
    x = 368,229,619,307.76/539,232.40
  6. Step 6: Final answer
    x = 682,877.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.